格式修改

Signed-off-by: Nningning <wangningning14@huawei.com>

zh-cn/application-dev/reference/apis/js-apis-devicestatus-draginteraction.md

@@ -14,7 +14,7 @@
 import dragInteraction from '@ohos.deviceStatus.dragInteraction'
 ```
 
-## dragInteraction.on
+## dragInteraction.on('drag')
 
 on(type: 'drag', callback: Callback<DragState>): void;
 
@@ -41,7 +41,7 @@ try {
 }
 ```
 
-## dragInteraction.off
+## dragInteraction.off('drag')
 
 off(type: 'drag', callback?: Callback<DragState>): void;